A Review on Ag/Bentonite and ZnO/Bentonite Nanocomposite: Synthesis and their Applications

Abstract

Currently, nanotechnology is referred to be one of the attractive research sectors in several countries because of its vast potential and commercial  impact. Nanotechnology includes the investigation, development, fabrication, and processing of structures and materials on a nanoscale in various fields  of science, health care, agriculture, technology, and industries. As such, it has provided a steady restructuring of related technologies. The aim of this  review is a critical analysis of the present phase of knowledge concerning the synthesis, application, and limitation of Ag/Bentonite and ZnO/Bentonite nanocomposites. In this review paper, more than 50 articles were reviewed on Ag/Bentonite and ZnO/Bentonite nanocomposites (NCs) along with their  applications and using the clay as supporting materials for those metals in the reduction of agglomeration. Besides, a few of the groundbreaking  applications of nanomaterials for different areas like in catalytic activity, photocatalytic activity, antibacterial activity, and wastewater treatments have  been reviewed. Their synthesis methods and characterization tools are also discussed. From their synthesis methods, green synthesis was more efficient.  Moreover, the unique characteristics and applications of those NCs, their challenges for their applications, especially their drawback has been discussed  and implications has been drawn. So concerns have to be given about the transport, destiny, and transformation of those nanocomposites discharged  into the environment.